﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace MyOA.BLL
{
    public class ChinaCalender
    {
        private const ushort START_YEAR = 1901;
        private const ushort END_YEAR = 2050;
        private string[] ConstellationName = 
            { 
                "白羊座", "金牛座", "双子座", 
                "巨蟹座", "狮子座", "处女座", 
                "天秤座", "天蝎座", "射手座", 
                "摩羯座", "水瓶座", "双鱼座"};
        private string[] LunarHolDayName = 
            { 
                "小寒", "大寒", "立春", "雨水", 
                "惊蛰", "春分", "清明", "谷雨", 
                "立夏", "小满", "芒种", "夏至", 
                "小暑", "大暑", "立秋", "处暑", 
                "白露", "秋分", "寒露", "霜降", 
                "立冬", "小雪", "大雪", "冬至"};

        //数组gLunarDay存入阴历1901年到2100年每年中的月天数信息， 
        //阴历每月只能是29或30天，一年用12（或13）个二进制位表示，对应位为1表30天，否则为29天 
        private int[] gLunarMonthDay = 
            { 
                    //测试数据只有1901.1.1 --2050.12.31 
                    0x4ae0, 0xa570, 0x5268, 0xd260, 0xd950, 0x6aa8, 0x56a0, 0x9ad0, 0x4ae8, 0x4ae0, //1910 
                    0xa4d8, 0xa4d0, 0xd250, 0xd548, 0xb550, 0x56a0, 0x96d0, 0x95b0, 0x49b8, 0x49b0, //1920 
                    0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada8, 0x2b60, 0x9570, 0x4978, 0x4970, 0x64b0, //1930 
                    0xd4a0, 0xea50, 0x6d48, 0x5ad0, 0x2b60, 0x9370, 0x92e0, 0xc968, 0xc950, 0xd4a0, //1940 
                    0xda50, 0xb550, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, 0xb4a8, 0x6ca0, //1950 
                    0xb550, 0x55a8, 0x4da0, 0xa5b0, 0x52b8, 0x52b0, 0xa950, 0xe950, 0x6aa0, 0xad50, //1960 
                    0xab50, 0x4b60, 0xa570, 0xa570, 0x5260, 0xe930, 0xd950, 0x5aa8, 0x56a0, 0x96d0, //1970 
                    0x4ae8, 0x4ad0, 0xa4d0, 0xd268, 0xd250, 0xd528, 0xb540, 0xb6a0, 0x96d0, 0x95b0, //1980 
                    0x49b0, 0xa4b8, 0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada0, 0xab60, 0x9370, 0x4978, //1990 
                    0x4970, 0x64b0, 0x6a50, 0xea50, 0x6b28, 0x5ac0, 0xab60, 0x9368, 0x92e0, 0xc960, //2000 
                    0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, //2010 
                    0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8, //2020 
                    0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0, //2030 
                    0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0, //2040 
                    0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0}; //2050 

        //数组gLanarMonth存放阴历1901年到2050年闰月的月份，如没有则为0，每字节存两年 
        byte[] gLunarMonth =
            { 
                    0x00, 0x50, 0x04, 0x00, 0x20, //1910 
                    0x60, 0x05, 0x00, 0x20, 0x70, //1920 
                    0x05, 0x00, 0x40, 0x02, 0x06, //1930 
                    0x00, 0x50, 0x03, 0x07, 0x00, //1940 
                    0x60, 0x04, 0x00, 0x20, 0x70, //1950 
                    0x05, 0x00, 0x30, 0x80, 0x06, //1960 
                    0x00, 0x40, 0x03, 0x07, 0x00, //1970 
                    0x50, 0x04, 0x08, 0x00, 0x60, //1980 
                    0x04, 0x0a, 0x00, 0x60, 0x05, //1990 
                    0x00, 0x30, 0x80, 0x05, 0x00, //2000 
                    0x40, 0x02, 0x07, 0x00, 0x50, //2010 
                    0x04, 0x09, 0x00, 0x60, 0x04, //2020 
                    0x00, 0x20, 0x60, 0x05, 0x00, //2030 
                    0x30, 0xb0, 0x06, 0x00, 0x50, //2040 
                    0x02, 0x07, 0x00, 0x50, 0x03}; //2050 

        //数组gLanarHoliDay存放每年的二十四节气对应的阳历日期 
        //每年的二十四节气对应的阳历日期几乎固定，平均分布于十二个月中 
        // 1月 2月 3月 4月 5月 6月 
        //小寒 大寒 立春 雨水 惊蛰 春分 清明 谷雨 立夏 小满 芒种 夏至 
        // 7月 8月 9月 10月 11月 12月 
        //小暑 大暑 立秋 处暑 白露 秋分 寒露 霜降 立冬 小雪 大雪 冬至 
        //********************************************************************************* 
        // 节气无任何确定规律,所以只好存表,要节省空间,所以. 
        //**********************************************************************************} 
        //数据格式说明: 
        //如1901年的节气为 
        // 1月 2月 3月 4月 5月 6月 7月 8月 9月 10月 11月 12月 
        // 6, 21, 4, 19, 6, 21, 5, 21, 6,22, 6,22, 8, 23, 8, 24, 8, 24, 8, 24, 8, 23, 8, 22 
        // 9, 6, 11,4, 9, 6, 10,6, 9,7, 9,7, 7, 8, 7, 9, 7, 9, 7, 9, 7, 8, 7, 15 
        //上面第一行数据为每月节气对应日期,15减去每月第一个节气,每月第二个节气减去15得第二行 
        // 这样每月两个节气对应数据都小于16,每月用一个字节存放,高位存放第一个节气数据,低位存放 
        //第二个节气的数据,可得下表 
        byte[] gLunarHolDay =
            { 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1901 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1902 
                0x96, 0xA5, 0x87, 0x96, 0x87, 0x87, 0x79, 0x69, 0x69, 0x69, 0x78, 0x78, //1903 
                0x86, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x78, 0x87, //1904 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1905 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1906 
                0x96, 0xA5, 0x87, 0x96, 0x87, 0x87, 0x79, 0x69, 0x69, 0x69, 0x78, 0x78, //1907 
                0x86, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1908 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1909 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1910 
                0x96, 0xA5, 0x87, 0x96, 0x87, 0x87, 0x79, 0x69, 0x69, 0x69, 0x78, 0x78, //1911 
                0x86, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1912 
                0x95, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1913 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1914 
                0x96, 0xA5, 0x97, 0x96, 0x97, 0x87, 0x79, 0x79, 0x69, 0x69, 0x78, 0x78, //1915 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1916 
                0x95, 0xB4, 0x96, 0xA6, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x87, //1917 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x77, //1918 
                0x96, 0xA5, 0x97, 0x96, 0x97, 0x87, 0x79, 0x79, 0x69, 0x69, 0x78, 0x78, //1919 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1920 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x87, //1921 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x77, //1922 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x69, 0x69, 0x78, 0x78, //1923 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1924 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x87, //1925 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1926 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1927 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1928 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1929 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1930 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1931 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1932 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1933 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1934 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1935 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1936 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1937 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1938 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1939 
                0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1940 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1941 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1942 
                0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1943 
                0x96, 0xA5, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1944 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1945 
                0x95, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1946 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1947 
                0x96, 0xA5, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1948 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x79, 0x78, 0x79, 0x77, 0x87, //1949 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1950 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1951 
                0x96, 0xA5, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1952 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1953 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x68, 0x78, 0x87, //1954 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1955 
                0x96, 0xA5, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1956 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1957 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1958 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1959 
                0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1960 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1961 
                0x96, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1962 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1963 
                0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1964 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1965 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1966 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1967 
                0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1968 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1969 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1970 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1971 
                0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1972 
                0xA5, 0xB5, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1973 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1974 
                0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1975 
                0x96, 0xA4, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x89, 0x88, 0x78, 0x87, 0x87, //1976 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1977 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x78, 0x87, //1978 
                0x96, 0xB4, 0x96, 0xA6, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1979 
                0x96, 0xA4, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1980 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x77, 0x87, //1981 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1982 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1983 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //1984 
                0xA5, 0xB4, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1985 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1986 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x79, 0x78, 0x69, 0x78, 0x87, //1987 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //1988 
                0xA5, 0xB4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1989 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1990 
                0x95, 0xB4, 0x96, 0xA5, 0x86, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1991 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //1992 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1993 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1994 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x76, 0x78, 0x69, 0x78, 0x87, //1995 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //1996 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1997 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1998 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1999 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2000 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2001 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //2002 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //2003 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2004 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2005 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2006 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //2007 
                0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2008 
                0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2009 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2010 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x78, 0x87, //2011 
                0x96, 0xB4, 0xA5, 0xB5, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2012 
                0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //2013 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2014 
                0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //2015 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2016 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //2017 
                0xA5, 0xB4, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2018 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //2019 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x86, //2020 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2021 
                0xA5, 0xB4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2022 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //2023 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2024 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2025 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2026 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //2027 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2028 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2029 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2030 
                0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //2031 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2032 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x86, //2033 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x78, 0x88, 0x78, 0x87, 0x87, //2034 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2035 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2036 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2037 
                0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2038 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2039 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2040 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2041 
                0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2042 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2043 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x88, 0x87, 0x96, //2044 
                0xA5, 0xC3, 0xA5, 0xB4, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2045 
                0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //2046 
                0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2047 
                0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA5, 0x97, 0x87, 0x87, 0x88, 0x86, 0x96, //2048 
                0xA4, 0xC3, 0xA5, 0xA5, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x86, //2049 
                0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x78, 0x78, 0x87, 0x87}; //2050 


        private DateTime m_Date;
        public DateTime Date
        {
            get { return m_Date; }
            set { m_Date = value; }
        }

        public ChinaCalender()
        {
            Date = DateTime.Today;
        }
        public ChinaCalender(DateTime dt)
        {
            Date = dt.Date;
        }
        //计算指定日期的星座序号 
        public int GetConstellation()
        {
            int Y, M, D;
            Y = m_Date.Year;
            M = m_Date.Month;
            D = m_Date.Day;
            Y = M * 100 + D;
            if (((Y >= 321) && (Y <= 419))) { return 0; }
            else if ((Y >= 420) && (Y <= 520)) { return 1; }
            else if ((Y >= 521) && (Y <= 620)) { return 2; }
            else if ((Y >= 621) && (Y <= 722)) { return 3; }
            else if ((Y >= 723) && (Y <= 822)) { return 4; }
            else if ((Y >= 823) && (Y <= 922)) { return 5; }
            else if ((Y >= 923) && (Y <= 1022)) { return 6; }
            else if ((Y >= 1023) && (Y <= 1121)) { return 7; }
            else if ((Y >= 1122) && (Y <= 1221)) { return 8; }
            else if ((Y >= 1222) || (Y <= 119)) { return 9; }
            else if ((Y >= 120) && (Y <= 218)) { return 10; }
            else if ((Y >= 219) && (Y <= 320)) { return 11; }
            else { return -1; };
        }

        //计算指定日期的星座名称 
        public string GetConstellationName()
        {
            int Constellation;
            Constellation = GetConstellation();
            if ((Constellation >= 0) && (Constellation <= 11))
            { return ConstellationName[Constellation]; }
            else
            { return ""; };
        }

        //计算公历当天对应的节气 0-23，-1表示不是节气 
        public int l_GetLunarHolDay()
        {
            byte Flag;
            int Day, iYear, iMonth, iDay;
            iYear = m_Date.Year;
            if ((iYear < START_YEAR) || (iYear > END_YEAR))
            { return -1; };
            iMonth = m_Date.Month;
            iDay = m_Date.Day;
            Flag = gLunarHolDay[(iYear - START_YEAR) * 12 + iMonth - 1];
            if (iDay < 15)
            { Day = 15 - ((Flag >> 4) & 0x0f); }
            else
            { Day = (Flag & 0x0f) + 15; };
            if (iDay == Day)
            {
                if (iDay > 15)
                { return (iMonth - 1) * 2 + 1; }
                else
                { return (iMonth - 1) * 2; }
            }
            else
            { return -1; };
        }

        public string FormatMonth(ushort iMonth, bool bLunar)
        {
            string szText = "正二三四五六七八九十";
            string strMonth;
            if ((!bLunar) && (iMonth == 1))
            { return "一月"; }
            if (iMonth <= 10)
            {
                strMonth = "";
                strMonth = strMonth + szText.Substring(iMonth - 1, 1);
                strMonth = strMonth + "月";
                return strMonth;
            }
            if (iMonth == 11)
            { strMonth = "十一"; }
            else
            { strMonth = "十二"; }
            return strMonth + "月";
        }


        public string FormatLunarDay(ushort iDay)
        {
            string szText1 = "初十廿三";
            string szText2 = "一二三四五六七八九十";
            string strDay;
            if ((iDay != 20) && (iDay != 30))
            {
                strDay = szText1.Substring((iDay - 1) / 10, 1);
                strDay = strDay + szText2.Substring((iDay - 1) % 10, 1);
            }
            else
            {
                //strDay = szText1.Substring((iDay / 10) * 2 + 1, 2); 
                strDay = szText1.Substring((iDay / 10), 1);
                strDay = strDay + "十";
            }
            return strDay;
        }

        public string GetLunarHolDay()
        {
            ushort iYear, iMonth, iDay;
            int i;
            TimeSpan ts;
            iYear = (ushort)(m_Date.Year);
            if ((iYear < START_YEAR) || (iYear > END_YEAR))
            { return ""; };
            i = l_GetLunarHolDay();
            if ((i >= 0) && (i <= 23))
            { return LunarHolDayName[i]; }
            else
            {
                ts = m_Date - (new DateTime(START_YEAR, 1, 1));
                l_CalcLunarDate(out iYear, out iMonth, out iDay, (uint)(ts.Days));
                string a=FormatMonth(iMonth, true) + FormatLunarDay(iDay);
                return a;
            }
        }

        //返回阴历iLunarYear年的闰月月份，如没有返回0 1901年1月---2050年12月 
        public int GetLeapMonth(ushort iLunarYear)
        {
            byte Flag;
            if ((iLunarYear < START_YEAR) || (iLunarYear > END_YEAR))
            { return 0; };
            Flag = gLunarMonth[(iLunarYear - START_YEAR) / 2];
            if ((iLunarYear - START_YEAR) % 2 == 0)
            { return Flag >> 4; }
            else
            { return Flag & 0x0F; }
        }

        //返回阴历iLunarYer年阴历iLunarMonth月的天数，如果iLunarMonth为闰月， 
        //高字为第二个iLunarMonth月的天数，否则高字为0 1901年1月---2050年12月 
        public uint LunarMonthDays(ushort iLunarYear, ushort iLunarMonth)
        {
            int Height, Low;
            int iBit;
            if ((iLunarYear < START_YEAR) || (iLunarYear > END_YEAR))
            { return 30; }
            Height = 0;
            Low = 29;
            iBit = 16 - iLunarMonth;
            if ((iLunarMonth > GetLeapMonth(iLunarYear)) && (GetLeapMonth(iLunarYear) > 0))
            { iBit--; }
            if ((gLunarMonthDay[iLunarYear - START_YEAR] & (1 << iBit)) > 0)
            { Low++; }
            if (iLunarMonth == GetLeapMonth(iLunarYear))
            {
                if ((gLunarMonthDay[iLunarYear - START_YEAR] & (1 << (iBit - 1))) > 0)
                { Height = 30; }
                else
                { Height = 29; }
            }
            return (uint)((uint)(Low) | (uint)(Height) << 16); //合成为uint 
        }

        //返回阴历iLunarYear年的总天数 1901年1月---2050年12月 
        public int LunarYearDays(ushort iLunarYear)
        {
            int Days;
            uint tmp;
            if ((iLunarYear < START_YEAR) || (iLunarYear > END_YEAR))
            { return 0; };
            Days = 0;
            for (ushort i = 1; i <= 12; i++)
            {
                tmp = LunarMonthDays(iLunarYear, i);
                Days = Days + ((ushort)(tmp >> 16) & 0xFFFF); //取高位 
                Days = Days + (ushort)(tmp); //取低位 
            }
            return Days;
        }

        //计算从1901年1月1日过iSpanDays天后的阴历日期 
        public void l_CalcLunarDate(out ushort iYear, out ushort iMonth, out ushort iDay, uint iSpanDays)
        {
            uint tmp;
            //阳历1901年2月19日为阴历1901年正月初一 
            //阳历1901年1月1日到2月19日共有49天 
            if (iSpanDays < 49)
            {
                iYear = START_YEAR - 1;
                if (iSpanDays < 19)
                {
                    iMonth = 11;
                    iDay = (ushort)(11 + iSpanDays);
                }
                else
                {
                    iMonth = 12;
                    iDay = (ushort)(iSpanDays - 18);
                }
                return;
            }
            //下面从阴历1901年正月初一算起 
            iSpanDays = iSpanDays - 49;
            iYear = START_YEAR;
            iMonth = 1;
            iDay = 1;
            //计算年 
            tmp = (uint)LunarYearDays(iYear);
            while (iSpanDays >= tmp)
            {
                iSpanDays = iSpanDays - tmp;
                iYear++;
                tmp = (uint)LunarYearDays(iYear);
            }
            //计算月 
            tmp = LunarMonthDays(iYear, iMonth); //取低位 
            while (iSpanDays >= tmp)
            {
                iSpanDays = iSpanDays - tmp;
                if (iMonth == GetLeapMonth(iYear))
                {
                    tmp = (LunarMonthDays(iYear, iMonth) >> 16) & 0xFFFF; //取高位 
                    if (iSpanDays < tmp)
                    { break; }
                    iSpanDays = iSpanDays - tmp;
                }
                iMonth++;
                tmp = LunarMonthDays(iYear, iMonth); //取低位 
            }
            //计算日 
            iDay = (ushort)(iDay + iSpanDays);

            //针对本月出错时随便写个农历日子
            if (iDay>31)
            {
                
            }
            
        }


        //把iYear年格式化成天干记年法表示的字符串 
        public string FormatLunarYear()
        {
            string strYear;
            string szText1 = "甲乙丙丁戊己庚辛壬癸";
            string szText2 = "子丑寅卯辰巳午未申酉戌亥";
            string szText3 = "鼠牛虎免龙蛇马羊猴鸡狗猪";
            ushort iYear;
            iYear = (ushort)(m_Date.Year);
            strYear = szText1.Substring((iYear - 4) % 10, 1);
            strYear = strYear + szText2.Substring((iYear - 4) % 12, 1);
            strYear = strYear + " ";
            strYear = strYear + szText3.Substring((iYear - 4) % 12, 1);
            strYear = strYear + "年";
            return strYear;
        }
    }
}
